New answers tagged splits
I am collecting here material and keywords related to this topic. I understand horizontal split to require flexibilities such as hamstring flexibility and hip flexibility. I understand this answer so that the user recommends sumo squats to improve hip flexibility where back straight like below by this video and this example does not target the hips that ...
Look for PNF stretching, and maybe you can buy the book of Pavel Tsatsouline, Relax into Stretch.
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